#include <iostream>
#include <string>

int main(void){
	using namespace std;

	cout << "Enter a word: ";
	string word;
	cin >> word;

	char temp;
	int i, j;
	for (j = 0, i = word.size()-1; j < i; --i, ++j){
		temp = word[i];
		word[i] = word[j];
		word[j] = temp;
	}
	cout << word << "\nDone\n";

	return 0;
}